Commit 7bb425c64dcd83c60f8253aa1906123fe7804c33
2017-02-03T18:10:05
Revert "D3D11: Clean up blendState code." This reverts commit 786ad3876730c72311c64cf2f297e671ced847a5. Reason for revert: Seems to have a bug with binding the BlendStates, causing a crash on Intel. https://luci-milo.appspot.com/buildbot/chromium.gpu.fyi/Win10%20Release%20%28Intel%20HD%20530%29/141 Failing WebGL 2 tests WebglConformance_conformance2_reading_read_pixels_from_fbo_test WebglConformance_deqp_functional_gles3_readpixel Also generates D3D11 runtime warnings: D3D11 ERROR: ID3D11DeviceContext::Draw: The renderTarget bound to slot 0 has a format (R8_UINT) that does not support blending. The Pixel Shader output signature indicates this output could be written, and the Blend State indicates blending is enabled for this slot. [ EXECUTION ERROR #376: DEVICE_DRAW_OM_RENDER_TARGET_DOES_NOT_SUPPORT_BLENDING] BUG=angleproject:1632 BUG=chromium:688419 Original change's description: > D3D11: Clean up blendState code. > > Masked Clear Draw Changes: > - Use universal blendstate object > - Eliminate blendState cache for masked clears > - Use rasterState and scissor rect for scissoring instead of adjusting vertex positions > - VB contains only static position data (per vertex color removed) > - Clear color(s) and depth clear values now passed in using a constant buffer > - MultiColorclear shader used for float clears to workaround alpha rounding issues > - Update shader compile script and shader source and bytecode headers > - Remove unused shaders (source and bytecode headers) > - Use com pointers where possible for D3D11 objects > > BUG=angleproject:1632 > > Change-Id: I98e38451bd453f53b772fe93ec9dcceb4196ea58 > Reviewed-on: https://chromium-review.googlesource.com/413736 > Reviewed-by: Geoff Lang <geofflang@chromium.org> > Reviewed-by: Jamie Madill <jmadill@chromium.org> > Commit-Queue: Shahmeer Esmail <shahmeer.esmail@intel.com> > Commit-Queue: Jamie Madill <jmadill@chromium.org> > TBR=geofflang@chromium.org,jmadill@chromium.org,shahmeer.esmail@intel.com NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=angleproject:1632 Change-Id: Iea537505d8cce7241edaba1f1d9f404abb1d9a10 Reviewed-on: https://chromium-review.googlesource.com/437306 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>